This paper examines the determinants of the time it takes for an index options market to be brought back to efficiency after put-call parity deviations, using intraday transactions data from the French CAC 40 index options over the August 2000 - July 2001 period. We address this issue through...

In the article, we want to study existence and valence of the signal given by a promotional communication, usually associated with a price discount. An individual utility model is used to analyze data from a Gabor & Granger price study. Results show that promotion signal increase price...

Budgetary process have been highly criticized for many years. Through seven case studies, this paper tries to assess the relevance of these criticisms. Two answers are defined. First, we show that criticisms are concentrated on few roles attributed to budgets. Second, thanks to a analytic...

Given exogenously the price process of some assets, we constrain the price process of other assets, which are characterised by their final pay-offs. We deal with an incomplete market framework in a discrete time model and assume the existence of the equilibrium. In this setup, we derive...